CVE-2026-72758
Routinator may exit on malformed ranges
NLnet Labs Routinator
CVSS
7.5HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Reports 1
1 outlet mention it. Reports are not confirmation; each links to its source.
Description
When parsing an AS range in Routinator, if the maximum value of the range is smaller than the minimum value of the range, Routinator will never reach the maximum value and run out of memory.
Text from CVE List
Affected versions 1
- Routinatorunaffected: 0.15.3 and laterCVE List